Granted Patent
Utility
US 5,304,642 · App. 07/908,928
Pristinaymcinia or virginiamycin derivatives and their preparation
Inventors:
Jean-Pierre Bastart, Jean-Marc Paris, Xavier Radisson
Patented Case
View Patent ↗
Granted: Apr 19, 1994
Filed: Jul 2, 1992
Inventors
Jean-Pierre Bastart
Jean-Marc Paris
Xavier Radisson
Assignee (at issue)
Rhone-Poulenc Sante
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.